Search found 24 matches

by WildBoar
Sat Jul 13, 2002 6:13 am
Forum: General Discussion
Topic: Keeping It Cool: Fans, Insulation, Peltier Cooling Modul
Replies: 9
Views: 2627

Re: Keeping It Cool: Fans, Insulation, Peltier Cooling Modul

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by MrAl: Hello there Wild,<p>It will be very hard to cool something inside of a hot environment like that, but if you could pipe the heat out of the larger box too, you would be way ahead of the game....
by WildBoar
Fri Jul 12, 2002 1:22 pm
Forum: General Discussion
Topic: Keeping It Cool: Fans, Insulation, Peltier Cooling Modul
Replies: 9
Views: 2627

Keeping It Cool: Fans, Insulation, Peltier Cooling Modul

I'm going to construct a metal box out 18 or 20 gauge steel or aluminum. Dimensions will be roughly 26" long, 6" wide, and 6" depth (or height).<p>I'm faced with a really difficult problem. Normally, if the parts you put in the box get hot you can exhaust the heat or bring cool air into the box from...
by WildBoar
Mon Jun 24, 2002 2:14 pm
Forum: General Discussion
Topic: Need Digital Temperature Control Module Similar To Radio
Replies: 5
Views: 1451

Re: Need Digital Temperature Control Module Similar To Radio

Hi Chris Smith.<p>Oh yeah, I always think about building everything!! At least I did when I was a lot younger, anyway.<p>If a kit is available, tell me where to buy it. I'll place an order right away.<p>Before the the PC and the Web I collected mountains of data books from the various electronics co...
by WildBoar
Sun Jun 23, 2002 8:16 pm
Forum: General Discussion
Topic: Need Digital Temperature Control Module Similar To Radio
Replies: 5
Views: 1451

Need Digital Temperature Control Module Similar To Radio

For several years RS has sold a $20.00 Digital Temperature Control Module. You preset the high and low trip points and an ouput signal is produced that can drive a logic gate, transistor, etc.<p>If you want to see it go to this URL:<p> http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&catego...
by WildBoar
Mon May 20, 2002 12:04 pm
Forum: General Discussion
Topic: Question About "Old Fashioned" VHF/UHF/FM Ante
Replies: 3
Views: 1095

Question About "Old Fashioned" VHF/UHF/FM Ante

My parents live a two story house in NJ. Most of the buildings in the area are residential, with a few scattered low rise office and industrial buildings.<p>They pay almost $50.00 per month for what Comcast calls "basic cable." They receive channels dedicated to golf, food, hunting, hollywood gossip...
by WildBoar
Mon May 06, 2002 10:16 pm
Forum: General Discussion
Topic: $7.00 Digital Clocks Have Battery For Memory Backup, Why
Replies: 4
Views: 1427

Re: $7.00 Digital Clocks Have Battery For Memory Backup, Why

OK Chris, you've convinced me that creating a circuit to hold the memory settings in a TV is a job best left to the manufacturers.<p>In my parent's neighborhood power outages occur at least once a month, but they never last for more than a hour or two.<p>I got the idea of using 50-to-100 watt invert...
by WildBoar
Mon May 06, 2002 6:50 pm
Forum: General Discussion
Topic: $7.00 Digital Clocks Have Battery For Memory Backup, Why
Replies: 4
Views: 1427

$7.00 Digital Clocks Have Battery For Memory Backup, Why

My elderly (and very retired) parents watch a lot of television. They've got a 9" hang- ing from cabinets in the kitchen, two or three 13 inchers, and a 20 something inch model in the living room. (Yeah, I ran all the cable, etc.)<p>If the power is removed for any reason all the channel selections, ...
by WildBoar
Mon May 06, 2002 8:37 am
Forum: General Discussion
Topic: Cordless Phone Extender--What Is It??
Replies: 3
Views: 1297

Re: Cordless Phone Extender--What Is It??

Hello keymaker.<p>Some of my thoughts about a amplifier for a cordless phone that could provide enormous range, are the same as yours.<p>You wouldn't want a gizmo like that next to your brain!! Building a mobile base station would be the only sensible thing to do, as you said.<p>Thanks for your repl...
by WildBoar
Sun May 05, 2002 3:08 am
Forum: General Discussion
Topic: Cordless Phone Extender--What Is It??
Replies: 3
Views: 1297

Cordless Phone Extender--What Is It??

In the May 2002 edition of Nuts & Volts (page 59), there is an ad for plans to build something called a "Cordless Phone Extender." It's suppose to provide a range up to 50 miles!!<p>Years ago, I remember you could build or buy amplifiers that boosted your 3-to-5 watt CB by as much as 100 watts. Of c...